Tone mapping results in SW decoding on Intel Kaby Lake

[fireplex 12]

New user here, just trying out Emby 4.9.3.0 via docker on unRAID.

HW transcoding works fine when I have tone mapping disabled, I can see my Intel i7 7700 GPU doing the decoding and CPU usage is low.

Problem is the video is took dark (as expected), so I enable tone mappnig but this results in Emby always falling back to software decoding, the errors seem to be:

 

13:47:58.952 Stream mapping:
13:47:58.952   Stream #0:0 (hevc_qsv) -> vpp_qsv:default (graph 0)
13:47:58.952   hwmap:default (graph 0) -> Stream #0:0 (h264_qsv)
13:47:58.952   Stream #0:1 -> #0:1 (dts (dca) -> ac3 (native))
13:47:58.952 Press [q] to stop, [?] for help
13:47:59.090 [AVHWDeviceContext @ 0xd56700] Failed to get number of OpenCL platforms: -1001.
13:47:59.090 [hwmap@f3 @ 0xcee540] Failed to created derived device context: -19.
13:47:59.090 [hwmap@f3 @ 0xcee540] Failed to configure output pad on hwmap@f3
13:47:59.090 Error reinitializing filters!
13:47:59.090 Failed to inject frame into filter network: No such device
13:47:59.090 Error while processing the decoded data for stream #0:0
13:47:59.092 Conversion failed!
13:47:59.092 EXIT

 

I see a few posts around OpenCL and -1001, is this a known bug?

I've attached the transcode log (server log has references to my domain and maybe other private stuff so omitted that)

ffmpeg-transcode-b140920c-c476-434c-b139-75c87857b724_1.txt

[Neminem 1518]

have you tried  with VAAPI tone mapping.

Not using OpenCL.

 

[Q-Droid 989]

 

This is a known issue in the current stable release: 4.9.3.0

 

 

[fireplex 12]

1 hour ago, Neminem said:

have you tried  with VAAPI tone mapping.

Not using OpenCL.

 

Thanks, I think that helps. Colors maybe a bit weird just testing...

[fireplex 12]

1 hour ago, Q-Droid said:

 

This is a known issue in the current stable release: 4.9.3.0

 

 

Ah OK, presumably they are working on a fix?

[Neminem 1518]

Yes Emby need's to improve.

Its ether to dark "CPU" or to Color off "VAAPI" there are other options under VAAPI - OpenCL.

If that works for you, try Mobius, still off but better.

But the best solution would be to have a copy that does not need Tonemapping.

[Q-Droid 989]

2 minutes ago, fireplex said:

Ah OK, presumably they are working on a fix?

Presumably....

Stick with version 4.9.1.90 if you want HW tonemapping. The 4.9.3 release didn't add anything significant.

 

[fireplex 12]

Thanks all, just looking at migrating from Plex so doing a bit of a comparison currently.

Biggest stumbling block seems to be music playlist functionality (I use music a lot).

[Luke 42077]

Hi, we are looking into it. Thanks.